Can too much vitamin A be harmful?

Nnih

Updated: 2nd October 2019

Yes, high intakes of some forms of vitamin A can be harmful. Getting too much preformed vitamin A (usually from supplements or certain medicines) can cause dizziness, nausea, headaches, coma, and even death. High intakes of preformed vitamin A in pregnant women can also cause birth defects in their babies.

In respect to this, how much vitamin A is recommended during pregnancy?

The recommended dietary allowance (RDA) of vitamin A during pregnancy is 1,000 RE, which is equal to 3,300 IU of retinol or retinyl esters or 5,000 U in an average U.S. diet containing a mixture of retinol and carotenoids (Food and Nutrition Board, 1980) (Table 2).

Is vitamin A in skin care safe during pregnancy?

But retinoids are one of the skin-care ingredients that experts recommend that pregnant women stay away from. Some studies have shown that taking high doses of vitamin A during pregnancy can be harmful to an unborn child. To be on the safe side, it's best to avoid topical retinoids (ingredients listed above), too.
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